Search a number
-
+
10210111102020 = 2235401774235471
BaseRepresentation
bin1001010010010011101000…
…0010111001110001000100
31100011002002012100010202210
42110210322002321301010
52314240301420231040
633414243231103420
72102441033264664
oct224447202716104
940132065303683
1010210111102020
1132870a15a3885
12118a955671b70
13590a6a1949ab
1427425a0141a4
1512a8c5dbe480
hex9493a0b9c44

10210111102020 has 48 divisors (see below), whose sum is σ = 28589029394688. Its totient is φ = 2722627883520.

The previous prime is 10210111101997. The next prime is 10210111102043. The reversal of 10210111102020 is 2020111101201.

It is an interprime number because it is at equal distance from previous prime (10210111101997) and next prime (10210111102043).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10210111101987 and 10210111102005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292885 + ... + 4528355.

It is an arithmetic number, because the mean of its divisors is an integer number (595604779056).

Almost surely, 210210111102020 is an apocalyptic number.

10210111102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210111102020 is an abundant number, since it is smaller than the sum of its proper divisors (18378918292668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10210111102020 is a wasteful number, since it uses less digits than its factorization.

10210111102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275660 (or 4275658 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10210111102020 its reverse (2020111101201), we get a palindrome (12230222203221).

The spelling of 10210111102020 in words is "ten trillion, two hundred ten billion, one hundred eleven million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 40177 80354 120531 160708 200885 241062 401770 482124 602655 803540 1205310 2410620 4235471 8470942 12706413 16941884 21177355 25412826 42354710 50825652 63532065 84709420 127064130 254128260 170168518367 340337036734 510505555101 680674073468 850842591835 1021011110202 1701685183670 2042022220404 2552527775505 3403370367340 5105055551010 10210111102020